We have meteor showers. They can be the occasional comet that can grace the sky.
当彗星偶尔优雅划过天际的时，我们还能看到流星雨。
Comet Holmes has an orbit between Mars and Jupiter and can be seen about every seven years as a very faint object in the sky.
霍姆斯彗星的轨道在火星和木星之间，大约每隔七年便可在天空中见到这颗暗淡的彗星。
In 1781, astronomer Sir William Herschel spotted an object moving in the sky and originally thought it was a comet but later realized its planetary nature.
在1781年，天文学家WilliamHerschel爵士发现天空中有个移动的物体，一开始以为是一颗彗星，后来意识到它有着行星的属性。
The picturesque comet is already becoming a favored target for northern sky imagers.
这颗生动的彗星已经成为北天天文摄影者的最爱。
Something is ephemeral like the rainbow after a rain or a comet across the sky, but something else can be eternal like our mutual help and friendship.
有些事是转瞬即逝的，如雨后的虹，天空的流星；有些事却可以是永恒的，像你我的互助，彼此的情谊。
But in Qizi bay, world-class masters work perfectly together, joining to create a perfect collision of a comet piercing the night sky, like a never-ending meteor shower, lighting up the bay.
但在棋子湾，世界级大师携手完美地碰撞出彗星划破天宇的光芒，就像一场又一场的流星雨，留给棋子湾看不尽的灿烂。
This means seeing the comet will require binoculars and a dark sky.
这意味着需要一个漆黑的天空和双筒望远镜你才能看见这颗彗星。
Dust from comet Swift-Tuttle is responsible for the Perseids, creating the northern hemisphere's regular summer sky show.
斯威夫特-塔特尔彗星撒下的尘埃形成的英仙座流星雨，为北半球的天空年复一年地带来盛大的夏日流星秀。
For all the fiery display it makes in the sky, the nucleus of a comet is relatively small.
尽管彗星在天空中显得光彩夺目，但彗核相对来说是较小的。
Serendipitously, the picture also recorded a bright, comet-shaped cloud not known to share the sky with Orion's famous stars and nebulae.
在不经意间，上面影像中还拍摄到了一条未知的彗星状明亮云带，与猎户座著名星云分享了这片天空。
The comet was named after the British scientist Edmond Halley, who did a variety of research on the record of giant fireball flying across the sky at the beginning of the 18th century.
这颗彗星是以英国科学家埃德蒙·哈雷的名字命名的。在18世纪初，哈雷研究了一些巨大的火球飞越天际的记录。
I look up the sky; one comet passed over my head, then disappeared, and left no trace.
我仰望天空，一颗流星从我的头顶划过，没有痕迹。
I look up the sky; one comet passed over my head, then disappeared, and left no trace.
我仰望天空，一颗流星从我的头顶划过，没有痕迹。
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